87628321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:142

約数の個数: 27

約数和(自身を含む): 103483443

約数和(自身を除く): 15855122

約数列:

[1, 11, 23, 37, 121, 253, 407, 529, 851, 1369, 2783, 4477, 5819, 9361, 15059, 19573, 31487, 64009, 102971, 165649, 215303, 346357, 724201, 2368333, 3809927, 7966211, 87628321]

約数ペア:

[(1, 87628321), (11, 7966211), (23, 3809927), (37, 2368333), (121, 724201), (253, 346357), (407, 215303), (529, 165649), (851, 102971), (1369, 64009), (2783, 31487), (4477, 19573), (5819, 15059)]